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authorSabrina Dubroca <sd@queasysnail.net>2025-08-26 16:16:31 +0300
committerJakub Kicinski <kuba@kernel.org>2025-08-28 04:34:54 +0300
commitdb9dfc4d30dd844a616cec3a087eaa0a808712d0 (patch)
treee7ab5a2e16c5d1567528e913f27a552cead84f2d /drivers/net/macsec.c
parentb46f5ddb40c877ad9e99c6d95699fb0fbc906ba5 (diff)
downloadlinux-db9dfc4d30dd844a616cec3a087eaa0a808712d0.tar.xz
macsec: replace custom check on IFLA_MACSEC_ENCODING_SA with NLA_POLICY_MAX
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/085bc642136cf3d267ddbb114e6f0c4a9247c797.1756202772.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/macsec.c')
-rw-r--r--drivers/net/macsec.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index 115cdf347643..316c5352ec2f 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -3765,7 +3765,7 @@ static const struct nla_policy macsec_rtnl_policy[IFLA_MACSEC_MAX + 1] = {
[IFLA_MACSEC_ICV_LEN] = NLA_POLICY_RANGE(NLA_U8, MACSEC_MIN_ICV_LEN, MACSEC_STD_ICV_LEN),
[IFLA_MACSEC_CIPHER_SUITE] = NLA_POLICY_VALIDATE_FN(NLA_U64, validate_cipher_suite),
[IFLA_MACSEC_WINDOW] = { .type = NLA_U32 },
- [IFLA_MACSEC_ENCODING_SA] = { .type = NLA_U8 },
+ [IFLA_MACSEC_ENCODING_SA] = NLA_POLICY_MAX(NLA_U8, MACSEC_NUM_AN - 1),
[IFLA_MACSEC_ENCRYPT] = NLA_POLICY_MAX(NLA_U8, 1),
[IFLA_MACSEC_PROTECT] = NLA_POLICY_MAX(NLA_U8, 1),
[IFLA_MACSEC_INC_SCI] = NLA_POLICY_MAX(NLA_U8, 1),
@@ -4266,11 +4266,6 @@ static int macsec_validate_attr(struct nlattr *tb[], struct nlattr *data[],
}
}
- if (data[IFLA_MACSEC_ENCODING_SA]) {
- if (nla_get_u8(data[IFLA_MACSEC_ENCODING_SA]) >= MACSEC_NUM_AN)
- return -EINVAL;
- }
-
es = nla_get_u8_default(data[IFLA_MACSEC_ES], false);
sci = nla_get_u8_default(data[IFLA_MACSEC_INC_SCI], false);
scb = nla_get_u8_default(data[IFLA_MACSEC_SCB], false);